6pcs 1/4″ Hex 5 Flute 90 Degree Countersink Drill Bits: All have a 90° angle on the point for sharp and precise countersinking. The cutting edge is hardened and honed for sharpness. A Chatter-Free,five-flute designed with staggered cutting teeth aranged to insure free chip flow and rapid chatter free cutting.
7pcs Three Pointed Countersink Drill Bit with L-wrench are made of high speed steel with good abrasion resistance and durable,includes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm for drilling pilot holes,the drill bit large chip flute and five edge chamfers allows faster and easier discharge of sawdust.
3/8″ shank 8pcs wood plug cutter drill bit set made of durable carbon steel material,used for tapered 1/4″, 3/8″, 1/2″ ,5/8″ wood plugs to cover recessed screw holes or hide blemishes,able to cut plugs to 22mm/23mm/25mm/26mm in length.
1/4″ Hex Shank 3Pcs HSS Step Drill Bit Set, Perfect Step Drill Bits suitable for drill holes in various material： within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
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